Inventor · disambiguated record
Brett I. Cohen
Also filed as: COHEN BRETT I
16 granted patents·422 citations·filing 1990–1999
95Inventor score
Files withESSENTIAL DENTAL SYSTEMS INC16
Top patents by PatentIndex Score
16 records- 0177US5236362ARoot canal filling material and adhesive compositionESSENTIAL DENTAL SYSTEMS INC·Filed 1992·Granted Aug 17, 1993·50 cites·66 claims
- 0277US5154613ADental cement for a temporary dental prosthesis or appliance and method for removing sameESSENTIAL DENTAL SYSTEMS INC·Filed 1990·Granted Oct 13, 1992·51 cites·75 claims
- 0368US6042376ANon-circular endodontic instrumentsESSENTIAL DENTAL SYSTEMS INC·Filed 1999·Granted Mar 28, 2000·45 cites·15 claims
- 0463US5413480AOverdenture attachment systemESSENTIAL DENTAL SYSTEMS INC·Filed 1993·Granted May 9, 1995·39 cites·14 claims
- 0559US5263861ARoot canal filling material and adhesive compositionESSENTIAL DENTAL SYSTEMS INC·Filed 1993·Granted Nov 23, 1993·22 cites·5 claims
- 0659US5204398AComposite dental cement composition containing a lanthanide series compoundESSENTIAL DENTAL SYSTEMS INC·Filed 1992·Granted Apr 20, 1993·29 cites·43 claims
- 0756USD377218SEndo-blockESSENTIAL DENTAL SYSTEMS INC·Filed 1995·Granted Jan 7, 1997·9 cites·1 claims
- 0852US5417750ADental or medical alginate impression materialESSENTIAL DENTAL SYSTEMS INC·Filed 1994·Granted May 23, 1995·15 cites·22 claims
- 0952US5348476ASystem for fabrication of dental cast post and core using a burn-out postESSENTIAL DENTAL SYSTEMS INC·Filed 1993·Granted Sep 20, 1994·16 cites·17 claims
- 1051US5968039ALaser device for performing canal surgery in narrow channelsESSENTIAL DENTAL SYSTEMS INC·Filed 1991·Granted Oct 19, 1999·56 cites·7 claims
- 1151US5034433AComposite dental cement composition containing titaniumESSENTIAL DENTAL SYSTEMS INC·Filed 1990·Granted Jul 23, 1991·20 cites·30 claims
- 1249US5275563ADental post extracting drillESSENTIAL DENTAL SYSTEMS INC·Filed 1992·Granted Jan 4, 1994·24 cites·4 claims
- 1348US5185386ADental compositionESSENTIAL DENTAL SYSTEMS INC·Filed 1992·Granted Feb 9, 1993·14 cites·26 claims
- 1444US5632620ASlotted tap and lentulo drill for dental post systemESSENTIAL DENTAL SYSTEMS INC·Filed 1996·Granted May 27, 1997·15 cites·2 claims
- 1540US5669772ASlotted tap and lentulo drill for dental post systemESSENTIAL DENTAL SYSTEMS INC·Filed 1995·Granted Sep 23, 1997·11 cites·15 claims
- 1633US5803732ASlotted tap and lentulo drill for dental post systemESSENTIAL DENTAL SYSTEMS INC·Filed 1997·Granted Sep 8, 1998·6 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →